/* ============================================
   AgentSec Advisor — Boho Swahili Security Theme
   ============================================ */

:root {
    /* Earthy Boho Palette */
    --color-bg: #1A0F0A;
    --color-bg-light: #2A1F18;
    --color-bg-card: #332620;
    --color-surface: #3D2E25;
    --color-border: #5C3D2E;
    --color-border-light: #6B4C3A;

    /* Accent Colors — Warm Gold & Terracotta */
    --color-primary: #C4956A;
    --color-primary-light: #E8C87A;
    --color-primary-dark: #8B5E3C;
    --color-accent: #D4845A;
    --color-accent-warm: #B85C38;

    /* Text */
    --color-text: #F0E6DC;
    --color-text-muted: #A89888;
    --color-text-dim: #7A6A5A;

    /* Semantic */
    --color-success: #7AB87A;
    --color-warning: #D4A04A;
    --color-danger: #C45A5A;

    /* Typography */
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Spacing */
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    height: 100%;
    overflow: hidden;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
}

/* ============================================
   Decorative Patterns (Swahili-inspired)
   ============================================ */
.login-pattern {
    position: fixed;
    width: 300px;
    height: 300px;
    opacity: 0.06;
    pointer-events: none;
    background-image: 
        repeating-linear-gradient(0deg, var(--color-primary) 0px, var(--color-primary) 2px, transparent 2px, transparent 20px),
        repeating-linear-gradient(90deg, var(--color-primary) 0px, var(--color-primary) 2px, transparent 2px, transparent 20px);
}

.pattern-top-left {
    top: -50px;
    left: -50px;
    transform: rotate(45deg);
}

.pattern-bottom-right {
    bottom: -50px;
    right: -50px;
    transform: rotate(45deg);
}

/* ============================================
   Login Screen
   ============================================ */
.login-screen {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(196, 149, 106, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(139, 94, 60, 0.06) 0%, transparent 50%),
        var(--color-bg);
}

.login-container {
    width: 100%;
    max-width: 420px;
    padding: 2.5rem;
    background: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.login-logo {
    text-align: center;
    margin-bottom: 2rem;
}

.shield-icon {
    width: 64px;
    height: 77px;
    margin-bottom: 1rem;
    filter: drop-shadow(0 4px 12px rgba(196, 149, 106, 0.3));
}

.login-title {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primary-light);
    letter-spacing: 0.02em;
}

.login-subtitle {
    font-family: var(--font-display);
    font-size: 0.95rem;
    color: var(--color-primary);
    font-style: italic;
    margin-top: 0.25rem;
}

.login-desc {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-top: 0.75rem;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.form-group label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.form-group input {
    padding: 0.75rem 1rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(196, 149, 106, 0.15);
}

.form-group input::placeholder {
    color: var(--color-text-dim);
}

.btn-primary {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-accent-warm));
    color: var(--color-text);
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    letter-spacing: 0.02em;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(196, 149, 106, 0.25);
}

.btn-primary:active {
    transform: translateY(0);
}

.login-error {
    padding: 0.75rem;
    background: rgba(196, 90, 90, 0.15);
    border: 1px solid rgba(196, 90, 90, 0.3);
    border-radius: var(--radius-sm);
    color: #E88A8A;
    font-size: 0.85rem;
    text-align: center;
}

.spinner {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.hidden {
    display: none !important;
}

/* ============================================
   Main App Layout
   ============================================ */
.app {
    display: flex;
    flex-direction: column;
    height: 100vh;
    background: 
        radial-gradient(ellipse at 10% 90%, rgba(196, 149, 106, 0.04) 0%, transparent 40%),
        var(--color-bg);
}

/* Header */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1.5rem;
    background: var(--color-bg-light);
    border-bottom: 1px solid var(--color-border);
    flex-shrink: 0;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.header-shield {
    width: 32px;
    height: 38px;
    filter: drop-shadow(0 2px 6px rgba(196, 149, 106, 0.2));
}

.header-title {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--color-primary-light);
    line-height: 1.2;
}

.header-tagline {
    font-size: 0.7rem;
    color: var(--color-primary);
    font-style: italic;
    opacity: 0.8;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-email {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.btn-logout {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all 0.2s;
}

.btn-logout:hover {
    border-color: var(--color-danger);
    color: var(--color-danger);
    background: rgba(196, 90, 90, 0.1);
}

/* ============================================
   Chat Messages
   ============================================ */
.chat-area {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
    scroll-behavior: smooth;
}

.messages {
    max-width: 860px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.message {
    display: flex;
    gap: 0.75rem;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.message-avatar {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.message-avatar svg {
    width: 28px;
    height: 34px;
}

.user-message .message-avatar {
    background: var(--color-primary-dark);
    border-radius: 50%;
    width: 36px;
    height: 36px;
}

.user-message .message-avatar svg {
    width: 18px;
    height: 18px;
}

.message-content {
    flex: 1;
    min-width: 0;
}

.message-text {
    padding: 1rem 1.25rem;
    border-radius: var(--radius);
    line-height: 1.7;
    font-size: 0.92rem;
}

.user-message .message-text {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-text);
}

.assistant-message .message-text {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-left: 3px solid var(--color-primary);
}

/* Markdown styling in messages */
.message-text h1, .message-text h2, .message-text h3, .message-text h4 {
    font-family: var(--font-display);
    color: var(--color-primary-light);
    margin: 1rem 0 0.5rem 0;
}

.message-text h1:first-child, .message-text h2:first-child, 
.message-text h3:first-child, .message-text h4:first-child {
    margin-top: 0;
}

.message-text h3 { font-size: 1.05rem; }
.message-text h4 { font-size: 0.95rem; }

.message-text p {
    margin: 0.5rem 0;
}

.message-text ul, .message-text ol {
    margin: 0.5rem 0;
    padding-left: 1.5rem;
}

.message-text li {
    margin: 0.3rem 0;
}

.message-text strong {
    color: var(--color-primary-light);
    font-weight: 600;
}

.message-text a {
    color: var(--color-primary);
    text-decoration: underline;
    text-decoration-color: rgba(196, 149, 106, 0.4);
    text-underline-offset: 2px;
    transition: color 0.2s;
}

.message-text a:hover {
    color: var(--color-primary-light);
}

.message-text code {
    background: rgba(0, 0, 0, 0.3);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-size: 0.85em;
    color: var(--color-accent);
}

.message-text pre {
    background: rgba(0, 0, 0, 0.3);
    padding: 1rem;
    border-radius: var(--radius-sm);
    overflow-x: auto;
    margin: 0.75rem 0;
    border: 1px solid var(--color-border);
}

.message-text pre code {
    background: none;
    padding: 0;
    color: var(--color-text);
}

.message-text blockquote {
    border-left: 3px solid var(--color-primary-dark);
    padding-left: 1rem;
    margin: 0.75rem 0;
    color: var(--color-text-muted);
    font-style: italic;
}

/* Welcome message */
.welcome-message .message-text h3 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
}

/* Starter prompts */
.starter-prompts {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    margin-top: 1rem;
}

.starter-btn {
    padding: 0.7rem 0.85rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-muted);
    font-family: var(--font-body);
    font-size: 0.8rem;
    text-align: left;
    cursor: pointer;
    transition: all 0.2s;
    line-height: 1.4;
}

.starter-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-text);
    background: rgba(196, 149, 106, 0.08);
    transform: translateY(-1px);
}

/* Loading indicator */
.typing-indicator {
    display: flex;
    gap: 4px;
    padding: 0.5rem 0;
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 50%;
    animation: bounce 1.4s infinite ease-in-out;
}

.typing-indicator span:nth-child(1) { animation-delay: -0.32s; }
.typing-indicator span:nth-child(2) { animation-delay: -0.16s; }

@keyframes bounce {
    0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
    40% { transform: scale(1); opacity: 1; }
}

/* ============================================
   Input Area
   ============================================ */
.input-area {
    padding: 1rem 1.5rem 1.25rem;
    background: var(--color-bg-light);
    border-top: 1px solid var(--color-border);
    flex-shrink: 0;
}

.chat-form {
    max-width: 860px;
    margin: 0 auto;
}

.input-wrapper {
    display: flex;
    align-items: flex-end;
    gap: 0.5rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 0.5rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.input-wrapper:focus-within {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(196, 149, 106, 0.1);
}

#user-input {
    flex: 1;
    padding: 0.5rem 0.75rem;
    background: transparent;
    border: none;
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 0.92rem;
    line-height: 1.5;
    resize: none;
    max-height: 150px;
    overflow-y: auto;
}

#user-input:focus {
    outline: none;
}

#user-input::placeholder {
    color: var(--color-text-dim);
}

.btn-send {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-accent-warm));
    border: none;
    border-radius: var(--radius-sm);
    color: white;
    cursor: pointer;
    transition: all 0.2s;
    flex-shrink: 0;
}

.btn-send:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    transform: scale(1.05);
}

.btn-send:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.input-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 0.4rem;
    padding: 0 0.25rem;
}

.model-badge {
    font-size: 0.7rem;
    color: var(--color-text-dim);
    background: var(--color-surface);
    padding: 0.2rem 0.6rem;
    border-radius: 20px;
    border: 1px solid var(--color-border);
}

.char-count {
    font-size: 0.7rem;
    color: var(--color-text-dim);
}

/* ============================================
   Scrollbar
   ============================================ */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-border-light);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
    .login-container {
        margin: 1rem;
        padding: 1.5rem;
    }

    .header {
        padding: 0.5rem 1rem;
    }

    .chat-area {
        padding: 1rem;
    }

    .input-area {
        padding: 0.75rem 1rem;
    }

    .starter-prompts {
        grid-template-columns: 1fr;
    }

    .user-email {
        display: none;
    }
}